| THREAD SERIES DESIGNATOR | UNJF | 
| NOMINAL THREAD DIAMETER | 0.562 INCHES | 
| THREAD QUANTITY PER INCH | 18 | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.815 INCHES MINIMUM AND | 
 | 0.865 INCHES MAXIMUM | 
| FASTENER LENGTH | 2.575 INCHES MINIMUM AND | 
 | 2.605 INCHES MAXIMUM | 
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR | 
 | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| SURFACE TREATMENT | ALUMINUM OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | 
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | 
| HEAD STYLE | DISHED HEXAGON | 
| HEAD HEIGHT | 0.281 INCHES MINIMUM AND | 
 | 0.296 INCHES MAXIMUM | 
| WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND | 
 | 0.877 INCHES MAXIMUM | 
| GRIP LENGTH | 1.740 INCHES MINIMUM AND | 
 | 1.760 INCHES MAXIMUM | 
| GRIP DIAMETER | 0.5605 INCHES MINIMUM AND | 
 | 0.5615 INCHES MAXIMUM | 
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | 
 | 32.0 MICROINCHES GRIP | 
 | 32.0 MICROINCHES THREADS | 
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.372 INCHES NOMINAL FIRST HOLE | 
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND | 
 | 0.151 INCHES MAXIMUM FIRST HOLE | 
| SPECIFICATION/STANDARD DATA | 80205-NAS6809 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |